Home / 106,320.82-146,726.49-58,577.80

Finding the Fourth Proportional to 106,320.82, 146,726.49 and 58,577.80

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Solution

The fourth proportional to 106,320.82, 146,726.49 and 58,577.80 is: 80,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,320.82 : 146,726.49 = 58,577.80 : x
  2. Step 2: Convert to fraction form
    106,320.82/146,726.49 = 58,577.80/x
  3. Step 3: Cross multiply
    106,320.82x = 146,726.49 × 58,577.80
  4. Step 4: Simplify right side
    106,320.82x = 8,594,914,985.92
  5. Step 5: Solve for x
    x = 8,594,914,985.92/106,320.82
  6. Step 6: Final answer
    x = 80,839.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.